This is a list of some tutorial providers I really like:
Blender 3D modeling tutorials.
Internet programming tutorials and more.
Game Development Tutorials
Simple tutorials on almost every subject. Has an iphone app.
Great language learning approach.
See machines taken apart, from Ipad to Kindle fire (called ''teardowns''). Create or view custom repair manuals from phones to Cars. Has an Iphone app.
EverymanIT Computer Training
FREE COMPUTER TRAINING, FROM BUILDING ONE TO CODING ONE.
Learn to Code in a simple and interactive way.
Free DIY guides for mobile devices.